/**
* Prepares and return the dataset as needed by the visualization.
*
* @param array $data Raw data
* @param array $scale_data Data related to scaling
* @param string $format Format of the visulaization
* @param object $results Image object in the case of png
* TCPDF object in the case of pdf
*
* @return mixed the formatted array of data
* @access private
*/
private function _prepareDataSet($data, $scale_data, $format, $results)
{
$color_number = 0;
// loop through the rows
foreach ($data as $row) {
$index = $color_number % sizeof($this->_settings['colors']);
// Figure out the data type
$ref_data = $row[$this->_settings['spatialColumn']];
$type_pos = stripos($ref_data, '(');
$type = substr($ref_data, 0, $type_pos);
$gis_obj = PMA_GIS_Factory::factory($type);
if (!$gis_obj) {
continue;
}
$label = '';
if (isset($this->_settings['labelColumn']) && isset($row[$this->_settings['labelColumn']])) {
$label = $row[$this->_settings['labelColumn']];
}
if ($format == 'svg') {
$results .= $gis_obj->prepareRowAsSvg($row[$this->_settings['spatialColumn']], $label, $this->_settings['colors'][$index], $scale_data);
} elseif ($format == 'png') {
$results = $gis_obj->prepareRowAsPng($row[$this->_settings['spatialColumn']], $label, $this->_settings['colors'][$index], $scale_data, $results);
} elseif ($format == 'pdf') {
$results = $gis_obj->prepareRowAsPdf($row[$this->_settings['spatialColumn']], $label, $this->_settings['colors'][$index], $scale_data, $results);
} elseif ($format == 'ol') {
$results .= $gis_obj->prepareRowAsOl($row[$this->_settings['spatialColumn']], $row['srid'], $label, $this->_settings['colors'][$index], $scale_data);
}
$color_number++;
}
return $results;
}
/**
* Handles the whole import logic
*
* @return void
*/
public function doImport()
{
global $db, $error, $finished, $compression, $import_file, $local_import_file, $message;
$GLOBALS['finished'] = false;
$shp = new PMA_ShapeFile(1);
// If the zip archive has more than one file,
// get the correct content to the buffer from .shp file.
if ($compression == 'application/zip' && PMA_getNoOfFilesInZip($import_file) > 1) {
$zip_content = PMA_getZipContents($import_file, '/^.*\\.shp$/i');
$GLOBALS['import_text'] = $zip_content['data'];
}
$temp_dbf_file = false;
// We need dbase extension to handle .dbf file
if (extension_loaded('dbase')) {
// If we can extract the zip archive to 'TempDir'
// and use the files in it for import
if ($compression == 'application/zip' && !empty($GLOBALS['cfg']['TempDir']) && is_writable($GLOBALS['cfg']['TempDir'])) {
$dbf_file_name = PMA_findFileFromZipArchive('/^.*\\.dbf$/i', $import_file);
// If the corresponding .dbf file is in the zip archive
if ($dbf_file_name) {
// Extract the .dbf file and point to it.
$extracted = PMA_zipExtract($import_file, realpath($GLOBALS['cfg']['TempDir']), array($dbf_file_name));
if ($extracted) {
$dbf_file_path = realpath($GLOBALS['cfg']['TempDir']) . (PMA_IS_WINDOWS ? '\\' : '/') . $dbf_file_name;
$temp_dbf_file = true;
// Replace the .dbf with .*, as required
// by the bsShapeFiles library.
$file_name = mb_substr($dbf_file_path, 0, mb_strlen($dbf_file_path) - 4) . '.*';
$shp->FileName = $file_name;
}
}
} elseif (!empty($local_import_file) && !empty($GLOBALS['cfg']['UploadDir']) && $compression == 'none') {
// If file is in UploadDir, use .dbf file in the same UploadDir
// to load extra data.
// Replace the .shp with .*,
// so the bsShapeFiles library correctly locates .dbf file.
$file_name = mb_substr($import_file, 0, mb_strlen($import_file) - 4) . '.*';
$shp->FileName = $file_name;
}
}
// Load data
$shp->loadFromFile('');
if ($shp->lastError != "") {
$error = true;
$message = PMA_Message::error(__('There was an error importing the ESRI shape file: "%s".'));
$message->addParam($shp->lastError);
return;
}
// Delete the .dbf file extracted to 'TempDir'
if ($temp_dbf_file && isset($dbf_file_path) && file_exists($dbf_file_path)) {
unlink($dbf_file_path);
}
$esri_types = array(0 => 'Null Shape', 1 => 'Point', 3 => 'PolyLine', 5 => 'Polygon', 8 => 'MultiPoint', 11 => 'PointZ', 13 => 'PolyLineZ', 15 => 'PolygonZ', 18 => 'MultiPointZ', 21 => 'PointM', 23 => 'PolyLineM', 25 => 'PolygonM', 28 => 'MultiPointM', 31 => 'MultiPatch');
switch ($shp->shapeType) {
// ESRI Null Shape
case 0:
break;
// ESRI Point
// ESRI Point
case 1:
$gis_type = 'point';
break;
// ESRI PolyLine
// ESRI PolyLine
case 3:
$gis_type = 'multilinestring';
break;
// ESRI Polygon
// ESRI Polygon
case 5:
$gis_type = 'multipolygon';
break;
// ESRI MultiPoint
// ESRI MultiPoint
case 8:
$gis_type = 'multipoint';
break;
default:
$error = true;
if (!isset($esri_types[$shp->shapeType])) {
$message = PMA_Message::error(__('You tried to import an invalid file or the imported file' . ' contains invalid data!'));
} else {
$message = PMA_Message::error(__('MySQL Spatial Extension does not support ESRI type "%s".'));
$message->addParam($esri_types[$shp->shapeType]);
}
return;
}
if (isset($gis_type)) {
include_once './libraries/gis/GIS_Factory.class.php';
/** @var PMA_GIS_Multilinestring|PMA_GIS_Multipoint|PMA_GIS_Point|PMA_GIS_Polygon $gis_obj */
$gis_obj = PMA_GIS_Factory::factory($gis_type);
} else {
$gis_obj = null;
}
$num_rows = count($shp->records);
// If .dbf file is loaded, the number of extra data columns
$num_data_cols = isset($shp->DBFHeader) ? count($shp->DBFHeader) : 0;
$rows = array();
$col_names = array();
if ($num_rows != 0) {
foreach ($shp->records as $record) {
$tempRow = array();
if ($gis_obj == null) {
$tempRow[] = null;
} else {
$tempRow[] = "GeomFromText('" . $gis_obj->getShape($record->SHPData) . "')";
}
if (isset($shp->DBFHeader)) {
foreach ($shp->DBFHeader as $c) {
$cell = trim($record->DBFData[$c[0]]);
if (!strcmp($cell, '')) {
$cell = 'NULL';
}
$tempRow[] = $cell;
}
}
$rows[] = $tempRow;
}
}
if (count($rows) == 0) {
$error = true;
$message = PMA_Message::error(__('The imported file does not contain any data!'));
return;
}
// Column names for spatial column and the rest of the columns,
// if they are available
$col_names[] = 'SPATIAL';
for ($n = 0; $n < $num_data_cols; $n++) {
$col_names[] = $shp->DBFHeader[$n][0];
}
// Set table name based on the number of tables
if (mb_strlen($db)) {
$result = $GLOBALS['dbi']->fetchResult('SHOW TABLES');
$table_name = 'TABLE ' . (count($result) + 1);
} else {
$table_name = 'TBL_NAME';
}
$tables = array(array($table_name, $col_names, $rows));
// Use data from shape file to chose best-fit MySQL types for each column
$analyses = array();
$analyses[] = PMA_analyzeTable($tables[0]);
$table_no = 0;
$spatial_col = 0;
$analyses[$table_no][TYPES][$spatial_col] = GEOMETRY;
$analyses[$table_no][FORMATTEDSQL][$spatial_col] = true;
// Set database name to the currently selected one, if applicable
if (mb_strlen($db)) {
$db_name = $db;
$options = array('create_db' => false);
} else {
$db_name = 'SHP_DB';
$options = null;
}
// Created and execute necessary SQL statements from data
$null_param = null;
PMA_buildSQL($db_name, $tables, $analyses, $null_param, $options);
unset($tables);
unset($analyses);
$finished = true;
$error = false;
// Commit any possible data in buffers
PMA_importRunQuery();
}
/**
* Generates parameters for the GIS data editor from the value of the GIS column.
*
* @param string $value of the GIS column
*
* @return array parameters for the GIS editor from the value of the GIS column
* @access public
*/
public function generateParams($value)
{
$params = array();
$data = PMA_GIS_Geometry::generateParams($value);
$params['srid'] = $data['srid'];
$wkt = $data['wkt'];
// Trim to remove leading 'GEOMETRYCOLLECTION(' and trailing ')'
$goem_col = substr($wkt, 19, strlen($wkt) - 20);
// Split the geometry collection object to get its constituents.
$sub_parts = $this->_explodeGeomCol($goem_col);
$params['GEOMETRYCOLLECTION']['geom_count'] = count($sub_parts);
$i = 0;
foreach ($sub_parts as $sub_part) {
$type_pos = stripos($sub_part, '(');
$type = substr($sub_part, 0, $type_pos);
$gis_obj = PMA_GIS_Factory::factory($type);
if (!$gis_obj) {
continue;
}
$params = array_merge($params, $gis_obj->generateParams($sub_part, $i));
$i++;
}
return $params;
}
// Extract from field's values if availbale, if not use the column type passed.
if (!isset($gis_data['gis_type'])) {
if (isset($_REQUEST['type']) && $_REQUEST['type'] != '') {
$gis_data['gis_type'] = strtoupper($_REQUEST['type']);
}
if (isset($_REQUEST['value']) && trim($_REQUEST['value']) != '') {
$start = substr($_REQUEST['value'], 0, 1) == "'" ? 1 : 0;
$gis_data['gis_type'] = substr($_REQUEST['value'], $start, strpos($_REQUEST['value'], "(") - $start);
}
if (!isset($gis_data['gis_type']) || !in_array($gis_data['gis_type'], $gis_types)) {
$gis_data['gis_type'] = $gis_types[0];
}
}
$geom_type = $gis_data['gis_type'];
// Generate parameters from value passed.
$gis_obj = PMA_GIS_Factory::factory($geom_type);
if (isset($_REQUEST['value'])) {
$gis_data = array_merge($gis_data, $gis_obj->generateParams($_REQUEST['value']));
}
// Generate Well Known Text
$srid = isset($gis_data['srid']) && $gis_data['srid'] != '' ? htmlspecialchars($gis_data['srid']) : 0;
$wkt = $gis_obj->generateWkt($gis_data, 0);
$wkt_with_zero = $gis_obj->generateWkt($gis_data, 0, '0');
$result = "'" . $wkt . "'," . $srid;
// Generate PNG or SVG based visualization
$format = PMA_USR_BROWSER_AGENT == 'IE' && PMA_USR_BROWSER_VER <= 8 ? 'png' : 'svg';
$visualizationSettings = array('width' => 450, 'height' => 300, 'spatialColumn' => 'wkt');
$data = array(array('wkt' => $wkt_with_zero, 'srid' => $srid));
$visualization = PMA_GIS_visualizationResults($data, $visualizationSettings, $format);
$open_layers = PMA_GIS_visualizationResults($data, $visualizationSettings, 'ol');
// If the call is to update the WKT and visualization make an AJAX response
/**
* Test factory method
*
* @param string $type geometry type
* @param object $geom geometry object
*
* @dataProvider providerForTestFactory
* @return void
*/
public function testFactory($type, $geom)
{
$this->assertInstanceOf($geom, PMA_GIS_Factory::factory($type));
}
